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HMX FJ400 vs. Akko V3 Lavender Purple Pro

An in-depth look at the HMX FJ400 and the Akko V3 Lavender Purple Pro switches—which one is the best fit for you?

Overview

When it comes to choosing the right mechanical keyboard switch, the HMX FJ400 and the Akko V3 Lavender Purple Pro present intriguing options that cater to different preferences and typing styles. The FJ400, classified as a linear switch, is recognized for its balanced sound profile and smooth keystrokes, making it an appealing choice for users who favor swift and quiet typing for both gaming and productivity. On the other hand, the V3 Lavender Purple Pro shines as a tactile switch, delivering a higher-pitched sound profile coupled with a satisfying tactile bump that enhances the overall typing experience. Its unique characteristics are particularly favored by keyboard enthusiasts who enjoy a more pronounced feedback, creating a more engaging and enjoyable interaction with their keyboards. Ultimately, the choice between the two comes down to individual preference—whether one prioritizes the seamlessness of linear switches or the tactile enjoyment of a bouncy, snappy feel. However, let's dive in a bit deeper beyond generalities so you can best decide on the switch that suits you perfectly.

By the numbers

Technical specifications

Actuation force

50g

Actuation force

45g

Bottom-out force

58g

Bottom-out force

55g

Pre-travel

2.00 mm

Pre-travel

1.90 mm

Total travel

3.80 mm

Total travel

3.80 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Partial box

Stem material

T2

Stem material

POM

Top housing material

POM

Top housing material

Polycarbonate

Bottom housing material

Nylon

Bottom housing material

Nylon

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

22mm single-stage spring

Spring

20mm

Housing materials

When comparing the housing materials of the HMX FJ400 and the Akko V3 Lavender Purple Pro, their top housings exhibit distinct characteristics that contribute uniquely to their sound profiles. The FJ400 features a POM (Polyoxymethylene) top housing, which produces a deeper and more muted sound, giving it a unique auditory signature that appeals to users who prefer a less piercing keystroke experience. In contrast, the V3 Lavender Purple Pro is constructed with a polycarbonate top housing, known for its sharper and crisper sound profile. The rigidity of polycarbonate allows for heightened resonance, resulting in a sound that is more pronounced and brighter. Therefore, if you're looking for a sound that is mellow and rich, the FJ400 may be more suitable, while those seeking clarity and brightness might favor the V3 Lavender.

Despite the differences in their top housings, both switches utilize nylon for their bottom housings, which contributes to creating a full and rich sound profile. Nylon, being a softer plastic, is excellent at dampening vibrations and absorbing sound, providing a muted quality to key presses. This shared material choice in the bottom housing means that both switches can elicit a deeper and rounder sound when the key is bottomed out. Because the bottom housing plays a critical role in shaping the overall typing experience, users of either switch can expect to enjoy a similar sound characteristic originating from this nylon component, even though the resulting sound will ultimately be influenced by the differing top housing materials.

Finally, understanding that the interaction of the top and bottom housings significantly affects the overall key response can help users appreciate what each switch has to offer. The FJ400’s POM top offers a unique sound during a release, while the nylon bottom maintains a deeper resonance on bottoming out, allowing for a cohesive yet distinct audio experience. Conversely, the V3 Lavender Purple Pro, with its polycarbonate top, tends to produce a brighter release sound complemented by the fuller sound from the nylon bottom. This interplay means that even with contrasting top housings, both switches can yield satisfying typing experiences by providing a blend of deep and muted sounds, driven primarily by their nylon constructions in the bottom housing.

Weight

When comparing the HMX FJ400 linear switch and the Akko V3 Lavender Purple Pro tactile switch, there are notable differences in both actuation and bottom out forces. The FJ400 requires a force of 50 grams to actuate and bottoms out at 58 grams, making it a medium-weight switch. In contrast, the V3 Lavender Purple Pro has a lighter actuation force of 45 grams and a bottom out force of 55 grams, categorizing it as a medium-light switch. This means that the Lavender Purple Pro is better suited for users who prefer a lighter touch, potentially making it more comfortable for extended typing or gaming sessions, while the FJ400 may appeal to those who enjoy a bit more resistance for a more substantial typing experience. Overall, the FJ400 is the heavier switch, providing a firmer feel, whereas the V3 Lavender Purple Pro offers a softer and more responsive option.

Travel distance

Both the HMX FJ400 linear switch and the Akko V3 Lavender Purple Pro tactile switch have a travel distance of 3.8 mm, meaning they provide the same key press experience in terms of distance traveled from the top to the bottom when the key is pressed. As a result, users can expect similar results in tactile feedback and responsiveness when using either switch, as the travel distance is a critical factor in how a switch feels during operation. Since both switches share the same travel distance, they will offer a comparable typing experience in this aspect.

Price comparison

Which switch is more bang for your buck?

The HMX FJ400 has an MSRP of $3.50 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the FJ400 for $3.29.

The Akko V3 Lavender Purple Pro has an MSRP of $3.11 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the V3 Lavender Purple Pro for $2.20.

Here at Milktooth, we offer the best prices on switches (on average, 27% lower the competition). In addition, we offer free shipping on orders over $49.00. We also offer free returns and exchanges, so you can shop with guaranteed satisfaction.

That said, while price is an important piece of the puzzle, our opinion is that you should ultimately pick the option that most suits your unique preferences since you’ll be using these switches for years to come. In other words, finding something perfect for you is, in our view, the most important criteria.

Typing experience

When it comes to sound, the HMX FJ400 linear switch offers a balanced sound profile, providing a neutral auditory experience that isn’t too harsh or too dull. This makes it versatile enough for different environments, from quiet offices to bustling gaming setups. On the other hand, the Akko V3 Lavender Purple Pro has a higher-pitched sound profile, marked by a satisfying tactile bump that enhances the acoustic feedback during typing. This distinctive sound can make for a more engaging and lively experience, particularly favored by those who appreciate a bit of character in their keyboard's auditory feedback. It's important to remember that the overall sound of each switch can still be influenced by factors like the choice of the keyboard PCB, mounting style, and keycap material.

In terms of feel, the FJ400 is not specifically described, but as a linear switch, it typically exhibits a smooth and consistent key press without any tactile feedback, which leads to a straightforward, uninterrupted typing experience. Conversely, the Akko V3 Lavender Purple Pro is characterized by various tactile features including an accented feel that offers a medium level of tactility—meaning it provides a noticeable bump during actuation without being overwhelming. It feels bouncy, which adds a spring-like quality to each keystroke, while also being snappy, leading to an immediate and responsive typing experience. The finish of these switches is polished, resulting in smoother key travel that enhances the overall comfort and efficiency during long typing sessions.

In conclusion, both the HMX FJ400 and Akko V3 Lavender Purple Pro have their respective strengths, catering to different preferences among keyboard enthusiasts. The FJ400 provides a balanced sound and a straightforward feel, appealing to those who enjoy a clean and unobtrusive typing experience. In contrast, the V3 Lavender Purple Pro combines a distinctively higher pitch with tactile feedback, adding a lively and enjoyable element to user interactions. Depending on individual preferences for sound and tactile feedback, either switch can deliver a satisfying experience, ensuring that newcomers find the right fit for their typing style.

Conclusion

To wrap up, the choice between the HMX FJ400 linear switch and the Akko V3 Lavender Purple Pro tactile switch ultimately hinges on your personal preferences and typing needs. If you favor a smooth, uninterrupted typing experience with a balanced sound profile, the FJ400 is an excellent option. Its medium bottom out force of 58 grams strikes a good balance between responsiveness and comfort, making it suitable for both gaming and typing—perfect for someone who values Velvety linear motion without distractions. On the other hand, if you’re looking for a more engaging typing experience with that delightful tactile bump, the V3 Lavender Purple Pro will likely be your go-to choice. With its medium-light actuation force of 55 grams, it is snappy and polished, giving you a bouncy sensation that creates a dynamic feel under your fingers, enhancing your enjoyment during prolonged typing sessions. Ultimately, you'll want to choose the HMX FJ400 if you prefer that smooth, linear experience, while the Akko V3 Lavender Purple Pro will serve you well if you appreciate the added tactility without excessive force.

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